'Declaration
 
<ExtensionAttribute()>
Public Overloads Shared Function ReadItemValueBoolean( _
   ByVal client As IEasyDAClient, _
   ByVal machineName As String, _
   ByVal serverClass As String, _
   ByVal itemId As String, _
   ByVal valueAge As Integer _
) As Boolean

'Usage
 
Dim client As IEasyDAClient
Dim machineName As String
Dim serverClass As String
Dim itemId As String
Dim valueAge As Integer
Dim value As Boolean
 
value = IEasyDAClientExtension2.ReadItemValueBoolean(client, machineName, serverClass, itemId, valueAge)

[Extension()]
public static bool ReadItemValueBoolean( 
   IEasyDAClient client,
   string machineName,
   string serverClass,
   string itemId,
   int valueAge
)

[Extension()]
public:
static bool ReadItemValueBoolean( 
   IEasyDAClient^ client,
   String^ machineName,
   String^ serverClass,
   String^ itemId,
   int valueAge
) 

Parameters

client

The client object that will perform the operation.

machineName

Name of the machine. Determines the computer on which the OPC server is located. May be an empty string, in which case the OPC server is assumed to exist on the local computer or at the computer specified for it by DCOM configuration.

serverClass

Contains ProgID of the OPC server to read from.

itemId

Contains OPC item identifier.

valueAge

Determines the age of value you would like to obtain (in milliseconds).

Return Value

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2012, Windows Server 2016; .NET Core, .NET 5, .NET 6: Linux, macOS, Microsoft Windows

Reference

IEasyDAClientExtension2 Class
IEasyDAClientExtension2 Members
Overload List